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ENVELOPE.

No. 433,052. 7 Patented July 29, 1890.

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UNITED STATES PATENT OFFICE.

ANSON R. SPEAR, OF MINNEAPOLIS, MINNESOTA, ASSIGNOR, BY DIRECT AND MESNE ASSIGNMENTS, TO JACOB II.

OF SAME PLACE.

HEISSER AND OTHO B. CLARK, BOTH ENVELOPE.

SPECIFICATION forming part of Letters Patent No. 433,052, dated July 29, 1890.

Application filed November 29, 1889.

To all whom it may concern.-

Be it known that I, ANSON R. SPEAR, of Minneapolis, in the county of Hennepin and State of Minnesota, have invented certain new and useful Improvements in Envelopes,

of which the following is a specification.

This invention relates to improvements in envelopes designed for use in transporting through the mails samples of merchandise,

cards, photographs, or other articles; and the object I have in view is to provide an envelope in which such articles can be safely transported, and which can be securely closed by simply folding the parts together without sealing them or using any fastener.

In the accompanying drawings, forming part of this specification, Figure 1 is a perspective view of my improved envelope. Fig. 2 is a longitudinal section of the same, the

flaps being in the position which they occupy bcforethe pocket is formed. Fig. 3 is a similar "iew with the flaps in the position which they occupy when the envelope is open. Figs. 4 and 5 are similar views illustrating the manner of closing the envelope. Fig. 6 is a transverse section through the folds of the closed end.

In the drawings, A represents the body of the envelope, which may be of any suitable 0 size and shape and of any suitable material. One end or edge of the envelope is preferably left open and is provided with means for closing it, as hereinafter described. At this end of the envelope, preferably formed in- ,5 tegrally with the body A, are the flaps B and O. The flap C is preferably of about twothirds the length of the flap B. The flap B is provided with the scores or creases Z) Z),

Serial No. 331,999. (No model.)

Which extend parallel with the end of the flap and divided into the three substantially equal sections 2, 3, and 4:. The flap O is similarlycreased at c, dividing it into the two sections 5 and 6. The section 3 of the flap B is folded on the crease l), and the sections 2 and 3 are then folded into the envelope.

The inner surface of the section 2 is preferably pasted to the inner surface of the body of the envelope. A pocket 7 is thus formed between the sections 2 and 3 of the flap B. In this condition the envelope is put upon the market, the parts being in substantially the position shown in Figs. 1 and 3.

hen it is desired to close the envelope, the section (3 of the flap 0 is folded over section 4 of flap B, as shown in Fig. 4, and the 5 5 three sections 4:, 5, and 6 are then folded into the pocket '7, as shown in Fig. 5. The envelope is then securely closed. If desired, however, an ordinary paper fastener may be put through the end of the-envelope and the sevto oral sections of the flaps B and C.

I claim as my invention The envelope herein described, comprising the body A. and the flaps B and C, the flap I) being divided int-o three sections 2, 3, and 4, the sections 2 and 3 being folded into the body of the envelope, and section 2 being pasted to the inner surface of said body, and the flap 0 being divided into the two sections 5 and (3, substantially as described.

In testimony whereof I have hereunto set my hand this 18th day of December, 1888.

ANSON R. SPEAR.

In presence of A. M. GASKILL, J. J ESSEN. 

